schwangeronis
schwangeronis t1_j0mhf9i wrote
Reply to comment by The_Ombudsman in Switzerland’s Giant “Water Battery” Starts Working by Wagamaga
The main reason these batteries are attractive is that they only pump when there’s excess power in the system, which is a hurdle for wind and solar power. So if the sun isn’t shining and the wind isn’t blowing the battery is discharging water.
schwangeronis t1_j0n87ig wrote
Reply to comment by The_Ombudsman in Switzerland’s Giant “Water Battery” Starts Working by Wagamaga
Oh right, there’s loss in the system. I can’t answer how it compares to a conventional battery, but I can say it’s cheaper